2205140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 5577600

約数和(自身を除く): 3372460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 829, 1330, 1658, 2660, 3316, 4145, 5803, 8290, 11606, 15751, 16580, 23212, 29015, 31502, 58030, 63004, 78755, 110257, 116060, 157510, 220514, 315020, 441028, 551285, 1102570, 2205140]

約数ペア:

[(1, 2205140), (2, 1102570), (4, 551285), (5, 441028), (7, 315020), (10, 220514), (14, 157510), (19, 116060), (20, 110257), (28, 78755), (35, 63004), (38, 58030), (70, 31502), (76, 29015), (95, 23212), (133, 16580), (140, 15751), (190, 11606), (266, 8290), (380, 5803), (532, 4145), (665, 3316), (829, 2660), (1330, 1658)]